KZ D-Fi Earphones Dynamic In-Ear Monitor Earphone 3D Stereo Noise Reduction 3.5mm Plug Comfortable Wearing for Music
Feature:
1. Dual Magnetic Circuit Dual Cavity Dynamic Unit: The D-Fi is equipped with a customized dual magnetic circuit dual cavity dynamic coil unit, which has better energy efficiency and stronger transient performance compared to ordinary magnetic circuits. It also features low impedance and high sensitivity, making it easier to drive.
2. Standard/Tuning Version Optional: D-Fi has designed a standard version and tuning version, and the standard version adopts standard tuning, with accurate and clear tri frequency response, instantly restoring beautiful melody. The tuning version comes with a special tuning dial that allows easy manual tuning. Meet the different needs of more players.
3. Tuning Version with 4 Gears: D-Fi adopts KZ's tuning technology and is equipped with precise 4 gear electronic switches. 1. The 2nd and 3rd gears are low frequency adjustable, and the lower frequency increases with each additional gear. Gear 4 is full frequency adjustment, which can be customized according to personal preferences. Sixteen tuning styles to meet the audience's individual needs for sound
4. High Quality Sound: The king of dynamic earphones, classic U-shaped tuning. The low frequency is clear and powerful, the relaxation is gentle and natural, the rich and natural and accurate vocals, and the high frequency fully displays sound details, making the D-Fi a leader in dynamic earphones.
5. Ergonomic Design: Classic ergonomic design that won't cause fatigue if worn for a long time. The use of soundproof memory cotton ear caps effectively reduces external noise interference, allowing you to enjoy high-quality music.

Specification:
Model: KZ D-Fi
Brand: KZ
Specification: without mic or with mic (optional)
Properties: Standard version, Tuning version (optional)
Color: Black
Sound production principle: dynamic
Wearing method: In ear type
Material: Metal
Frequency response range: 7-45000Hz
Impedance:
Standard version (No Switches) 23 Ω
Tuned version (With Switches) 29-48Ω
Sensitivity: 110dB
Plug type: 3.5mm
Line length: 120cm ± 3cm
Type: Wired
Weight: 73g
Package size: about 102 * 72 * 32mm/4.01 * 2.83 * 1.25 inch

Packages: 
1 Pair x Earphones
6 Pairs x Earphones Sleeve
1 x 3.5mm Jack Cable
1 x Tuning Paddle (Tuning Version)
1 x Instructions

1. All items will be double checked and well packed before sending. Items

will be dispatched within 3-7 business days after customers pay the order. Because we have thousands of order everydays. We need to arrange shipment one order by one order. We will send the products to you ASAP.

2. We only ship to Confirmed order address.Your order address MUST MATCH your shipping address.

3. It usually takes about 20-60 business days for delivering the parcel to the destination(for remote areas,it may take a little long).Meanwhile,you can choose DHL Express to shorten the shipping time if you need the order urgently.

4. If you do not receive the order within 60 business days,please feel free to contact us before leaving negative Feedback,we will do our best to help you to resolve the issue.

1. If you are not satisfied with the item when you receive it,please return it return it within 10 days for a replacement or money back.Please contact us before you return it.

2. All returned items must be in the original packaging and you must provide us with the shipping tracking number and specific reason for the return.

3. We will refund you full money,upone receipt of the item in its original condition and packaging with all components and accessories include.

4. If the item is damaged during transport or cannot be used normally,please contact us the real photos of the items and we will refund you money.

We maintain high standards of excellence and strive for 100% customer satisfaction!Your satisfaction is our first priority!

If you receive the order and it is in good condition,we would be grateful if you would leave 5-Stars Positive Feedback for the transaction.

Otherwise,we would be grateful if you would contact us before leaving 1-Star to 3-Stars Feedback,we will take pleasure to provide a satisfactory solution.